Mayfair, London · Westminster Heritage Conservation
Mount Street Grade-II Townhouse & Vault Gallery
Portland Limestone · Fumed English Oak · Hand-Patinated Bronze
7,600 sq ft · 6 Floors + Subterranean Sculpture Court
Westminster Listed Consent in 14 Weeks · STC-64 Acoustics
Behind a restored 1892 Queen Anne terracotta facade, a five-story elliptical Portland stone stair links formal reception rooms to a double-height subterranean sculpture court lit by a walkable structural glass courtyard lens.
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ATELIER HAVEN
RIBA, AIA & SIA chartered architectural practice crafting monolithic stone, timber, and net-zero private sanctuaries across Zurich, Los Angeles, and Kyoto.
© 2026 ATELIER HAVEN ARCHITECTURE & INTERIORS · RIBA / AIA / SIA CHARTERED PRACTICE
ZURICH · LOS ANGELES · KYOTO · 4 COMMISSIONS / YEAR